28948992200 has 108 divisors (see below), whose sum is σ = 68903835315. Its totient is φ = 11311064960.

The previous prime is 28948992197. The next prime is 28948992227. The reversal of 28948992200 is 229984982.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 16977568804 + 11971423396 = 130298^2 + 109414^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=120310.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 127528487 + ... + 127528713.

Almost surely, 2^28948992200 is an apocalyptic number.

28948992200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28948992200

28948992200 is an abundant number, since it is smaller than the sum of its proper divisors (39954843115).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28948992200 is an equidigital number, since it uses as much as digits as its factorization.

28948992200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 28948992200 in words is "twenty-eight billion, nine hundred forty-eight million, nine hundred ninety-two thousand, two hundred".